Julene Diedrich, NP
NPI 1912009911 · Nurse Practitioner · Marshfield, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julene Diedrich, NP is a Nurse Practitioner provider in Marshfield, WI (NPI 1912009911).
Provider details
- NPI number
- 1912009911
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 111460 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
52 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $52 |
Typical Medicare-allowed amounts for these services range $52–$77 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 108 | 26 |
| Hydroxyurea | 80 | 14 |
| Letrozole | 53 | 12 |
| Exemestane | 32 | 11 |
| Gabapentin | 32 | — |
| Oxycodone Hcl | 31 | 14 |
| Apixabanbrand: Eliquis | 29 | — |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-01
- Last updated
- 2023-04-13
- Certified
- 2023-04-13
Frequently asked questions
- What is Julene Diedrich's NPI number?
- Julene Diedrich's National Provider Identifier (NPI) is 1912009911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julene Diedrich's specialty?
- Julene Diedrich is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Julene Diedrich located?
- Julene Diedrich's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449.
- What is Julene Diedrich's phone number?
- The practice phone number listed in the NPPES registry for Julene Diedrich is (715) 387-9121.
- Does Julene Diedrich accept Medicare?
- Julene Diedrich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julene Diedrich's NPI active?
- Yes — Julene Diedrich's NPI (1912009911) is active in the NPPES registry as of the last update on 2023-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.